INFECTION and contamination control products firm Tristel has appointed Bruce Green as a non-executive director to the board.Mr Green, 63, has acted as a consultant to the firm, based at Snailwell, near Newmarket, since the incorporation of the company in 1993.

INFECTION and contamination control products firm Tristel has appointed Bruce Green as a non-executive director to the board.

Mr Green, 63, has acted as a consultant to the firm, based at Snailwell, near Newmarket, since the incorporation of the company in 1993.

He is the original inventor and pioneer of its proprietary chlorine dioxide technology and signed over the patents to Tristel in June 2005. He owns 3.2% of the company's shares.

Mr Green is a chartered scientist, a chartered chemist and a member of the Royal Society of Chemistry. For the last 25 years, he has acted as an independent consultant and formulator in the infection control, cosmetics and food hygiene industries.